Ions and Naming Ionic Compounds and Writing Ionic Formulas

Front

What is an ion?

Back

An ion is an atom or molecule that has gained or lost one or more electrons, resulting in a net electric charge.

Front

What is the charge of a cation?

Back

A cation is a positively charged ion, formed when an atom loses electrons.

Front

What is the charge of an anion?

Back

An anion is a negatively charged ion, formed when an atom gains electrons.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

How do you determine the formula of an ionic compound?

Back

To determine the formula of an ionic compound, balance the total positive and negative charges of the ions involved.

Front

What is the formula for sodium chloride?

Back

NaCl

Front

What is the formula for magnesium oxide?

Back

MgO

Front

What is the name of the compound with the formula CaBr2?

Back

Calcium bromide

Front

What is the formula for aluminum sulfate?

Back

Al2(SO4)3

Front

What is the name of the compound with the formula K2O?

Back

Potassium oxide